Serrated blade



FIG. 1 is a front perspective view of the serrated blade;

FIG. 2 is a right side view of the serrated blade;

FIG. 3 is a left side view of the serrated blade;

FIG. 4 is a top view of the serrated blade;

FIG. 5 is a bottom view of the serrated blade;

FIG. 6 is a front view of the serrated blade; and,

FIG. 7 is a rear view of the serrated blade.

The broken lines in the drawings are included to show features that form no part of the claimed design. 

CLAIM The ornamental design for a serrated blade, as shown and described. 